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14 Posts

12-02-2015

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Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-22, 2:50 AM

My Samsung Note 8 Phone which works fine on my Yoga 900 through the USB C port is not recognized on my new C740 when plugged into the USB-C port, It will not charge or show up as a drive on either USB-C ports. I have tried many cables that work fine on the yoga 900.  If I use a USB A to USB C cable on the USB-A port it does work. Not on the USB-C port, again it works fine on the 900.

 

Any help is much appreciated. Tech support is sending someone out but I'm thinking its something non hardware wise.  Other devices work fine via the USB-C port.

 

Thank You

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14 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-27, 16:46 PM

My USB-C board which is the entire PC was replaced and my USB-C video is now working again and now out of both ports. As far as the note 8 I'm forgetting that as a compatibility issue, I will use the other USB -A port

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3527 Posts

12-13-2016

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-22, 13:48 PM

Welcome to the Community

 

First thing to do would be to update the drivers and BIOS on your C740, if you haven't already done so.

 

If other devices connect via USB-C and function as expected - thumb drives, docks and what-have-you - then, yeah, I tend not to think it's hardware. I did a search and a number of users post similar problems between the 8 and Windows 10 devices.  Solutions mentioned in those posts range from downloading and installing Note 8 drivers on the computer to authorizing the computer on the Note 8. Don't know if that helps, but I hope so.

 

Doc


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14 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-22, 17:03 PM

Thanks Doc, I did update the BIOS and other devices do seem to work. I even have a lenovo portable 14 inch monitor and that works via USB C, its PD powered by the USB-C, works fine.  I even tried the Lenovo cable too with just the phone to the laptop and it does not work. I do not understand why the phone does show up/works using the right side USB-A port with the USB-A to USB C cable but not the left side USB-C. I did compare the software, samsung Mobile USB  Composite Device and they are the same version. I did notice in device manager the Yoga 740 it has a Intel(R) USB 3.1 eXtensible Host Controler - 1.10(Microsoft), the Yoga 900 has a Intel(R) USB 3.0 eXtensibkle Host Controler - 1.0(Microsoft), maybe that is the reason? I'm guessing the eXtensikle Host Controler is the USB-C port/controller, maybe the Phone is not compatible? with 3.1 but is with 3.0? I would have thought it would be backward compatible. Also, I have 2 note 8's and the behavior is exactly the same, so the phone is fine. Any thoughts? I been searching on eXtensikle Host Controler and I see  Chipset update mentioned, how do I know what one to use and if that's related?

 

Thanks Doc

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3527 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-22, 19:50 PM

@ Jfutyb wrote:
 

I see  Chipset update mentioned, how do I know what one to use and if that's related?

 

Thanks Doc

 

Looking here, it appears you have chipset updates issued just this week. Might try installing those. 

 

Doc


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14 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-23, 15:27 PM

Thanks doc, i did try the intel chipset( that exact one), but did no good, and i only did one, that one, which others would I apply and why would vantage not tell me if I needed them.  I was about to forget the whole issue due to my phone not being compatible, but  now my video out is not working. I removed the chipset related or not. Video out was all working after i applied some windows updates(maybe not related), then I shutdown later in the day and unplugged the power, now no video out when powered on, charging the laptop works via the port but no video out, I think there is no power out being supplied, this is the front usb-c port, the one for video display and charging.  I checked vantage updates again  and there was a bios update for to BNCN38WW from 37 via vantage but that did not help. I may try and rollback the windows updates but I'm not sure its related, completely stopped, no video out or power out i think.

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3527 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-23, 19:51 PM

You didn't update to 2004, by any chance?


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I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

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14 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-23, 23:02 PM

I 'm not sure what software 2004 is? I ended up doing a onekey reset. Now video comes out of the first port and not the 2nd. The 2nd port I can power my laptop but thats all  it does. I'm not sure whats hapening and if I should bother installing any updates, The below shows when I run a scan. The Hub softare I remember installing before I lost my video after I powered down that night, but its may not be related. I'm not loading my files back or installing everything.

 

Lenovo Utility Hotfix - 10  

0.46MB

1.0.79.0

No

Recommended

 

Intel Sensor Hub (ISH) Driver - 10  

0.58MB

3.1.0.4109

Yes

 

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3527 Posts

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Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-23, 23:08 PM

@ Jfutyb wrote:
 

 

I 'm not sure what software 2004 is? 

 

Windows 10 feature update. The current one is 2004, which appears to be buggy. My computers are on 1909.

 

Doc


____________________________________
I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo. I love beer.

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Check out our new Recent Service Tips Area ..your issue may already be solved!
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14 Posts

12-02-2015

United States

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  • Message 9 of 11

Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-23, 23:10 PM

Yes, I updated to the latest that night it stopped, next day no video out, now its reversed, any idea how that can happen? its still not right

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3527 Posts

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  • Message 10 of 11

Re:Samsung Note 8 not Charging Yoga C740-14IML USB C port

2020-08-24, 13:23 PM

I guess at this point, see what tech support has to say, though the behavior of the ports is odd given the reset. Sorry I don't have more for you.

 

Keep me posted on what TS says. 

 

Doc


____________________________________
I do not respond to requests for private, one-on-one help. Your questions should be posted in the appropriate forum where they may help others as well.

If a response answers your question, please mark it as the accepted solution.

I am not an employee or agent of Lenovo. I love beer.

Using Browser Search To Find Answers in the Lenovo and Moto Communities
Check out our new Recent Service Tips Area ..your issue may already be solved!
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